Memory leak in rare cases using foreach and parallel

[Kagamin]

On Monday, 14 October 2019 at 06:52:32 UTC, Guillaume Lathoud 
wrote:
> This was difficult to reduce to a simple use case. The memory 
> leak happened in rare cases, but in those cases, it always 
> happened.

By rare cases you mean that if a particular compiled executable 
always leaked? If it was recompiled (or relinked) from exactly 
the same source, the problem could disappear?